/*
 * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.corba.se.impl.oa.poa;

import org.omg.PortableServer.Servant;
import org.omg.PortableServer.ServantManager;
import org.omg.PortableServer.ForwardRequest;
import org.omg.PortableServer.POAPackage.WrongPolicy;
import org.omg.PortableServer.POAPackage.ObjectNotActive;
import org.omg.PortableServer.POAPackage.ServantNotActive;
import org.omg.PortableServer.POAPackage.ObjectAlreadyActive;
import org.omg.PortableServer.POAPackage.ServantAlreadyActive;
import org.omg.PortableServer.POAPackage.NoServant;

import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil;
import com.sun.corba.se.impl.orbutil.ORBUtility;
import com.sun.corba.se.impl.orbutil.ORBConstants;

import com.sun.corba.se.impl.oa.NullServantImpl;

/**
 * Implementation of POARequesHandler that provides policy specific
 * operations on the POA in the case:
 * <ul>
 * <li>retain</li>
 * <li>useActiveObjectMapOnly</li>
 * </ul>
 */
public class POAPolicyMediatorImpl_R_AOM extends POAPolicyMediatorBase_R {

  POAPolicyMediatorImpl_R_AOM(Policies policies, POAImpl poa) {
    // assert policies.retainServants()
    super(policies, poa);

    // policies.useActiveObjectMapOnly()
    if (!policies.useActiveMapOnly()) {
      throw poa.invocationWrapper().policyMediatorBadPolicyInFactory();
    }
  }

  protected java.lang.Object internalGetServant(byte[] id,
      String operation) throws ForwardRequest {
    java.lang.Object servant = internalIdToServant(id);
    if (servant == null) {
      servant = new NullServantImpl(
          poa.invocationWrapper().nullServant());
    }
    return servant;
  }

  public void etherealizeAll() {
    // NO-OP
  }

  public ServantManager getServantManager() throws WrongPolicy {
    throw new WrongPolicy();
  }

  public void setServantManager(ServantManager servantManager)
      throws WrongPolicy {
    throw new WrongPolicy();
  }

  public Servant getDefaultServant() throws NoServant, WrongPolicy {
    throw new WrongPolicy();
  }

  public void setDefaultServant(Servant servant) throws WrongPolicy {
    throw new WrongPolicy();
  }

  public Servant idToServant(byte[] id)
      throws WrongPolicy, ObjectNotActive {
    Servant s = internalIdToServant(id);

    if (s == null) {
      throw new ObjectNotActive();
    } else {
      return s;
    }
  }
}
